<b>bit</b> mayLoad = 0;
<b>bit</b> mayStore = 0;
<b>bit</b> isImplicitDef = 0;
- <b>bit</b> isTwoAddress = 1;
<b>bit</b> isConvertibleToThreeAddress = 1;
<b>bit</b> isCommutable = 1;
<b>bit</b> isTerminator = 0;
bit canFoldAsLoad = 0; // Can this be folded as a simple memory operand?
bit mayLoad = 0; // Is it possible for this inst to read memory?
bit mayStore = 0; // Is it possible for this inst to write memory?
- bit isTwoAddress = 0; // Is this a two address instruction?
bit isConvertibleToThreeAddress = 0; // Can this 2-addr instruction promote?
bit isCommutable = 0; // Is this 3 operand instruction commutable?
bit isTerminator = 0; // Is this part of the terminator for a basic block?
canFoldAsLoad = R->getValueAsBit("canFoldAsLoad");
mayLoad = R->getValueAsBit("mayLoad");
mayStore = R->getValueAsBit("mayStore");
- bool isTwoAddress = R->getValueAsBit("isTwoAddress");
isPredicable = R->getValueAsBit("isPredicable");
isConvertibleToThreeAddress = R->getValueAsBit("isConvertibleToThreeAddress");
isCommutable = R->getValueAsBit("isCommutable");
// Parse Constraints.
ParseConstraints(R->getValueAsString("Constraints"), this);
- // For backward compatibility: isTwoAddress means operand 1 is tied to
- // operand 0.
- if (isTwoAddress) {
- if (!OperandList[1].Constraints[0].isNone())
- throw R->getName() + ": cannot use isTwoAddress property: instruction "
- "already has constraint set!";
- OperandList[1].Constraints[0] =
- CodeGenInstruction::ConstraintInfo::getTied(0);
- }
-
// Parse the DisableEncoding field.
std::string DisableEncoding = R->getValueAsString("DisableEncoding");
while (1) {